1. All appeals filed by the plaintiffs are dismissed.

2. The costs of appeal are assessed against the Plaintiffs.

The purport of the claim and appeal is the purport of the appeal.

1. The reasons why the court accepted the judgment of the court of first instance are the same as the reasons stated in the judgment of the court of first instance. Thus, the reasons are cited in accordance with Article 8(2) of the Administrative Litigation Act and the main sentence of Article 420 of the Civil Procedure Act.

2. In conclusion, the part seeking the cancellation of the management and disposal plan among the lawsuits in this case is unlawful, and thus, the remaining claims of the plaintiffs shall be dismissed as it is without merit.

The judgment of the first instance is just in conclusion, and the plaintiffs' appeal is dismissed as it is without merit. It is so decided as per Disposition by the assent of all Justices.